「二〇一九冠狀病毒病」：各本之異

此疫之灶定乎人身之質，微者為主，更有染而無灶者，而急灶多發於它症之基。微者似流感之灶，而有發熱、肌乏、乾咳、鼻塞、流嚏、頭痛、咽痛、咳血、咳痰、肌痛、腹瀉之症，亦見味嗅之喪者爾。偶有低熱、微乏者，肺不見炎灶。<ref name="test">[https://www.bmj.com/content/368/bmj.m1182 Covid-19: a remote assessment in primary care]，病灶一</ref>危急者，呼吸之艱，胸痛之甚，意識之亂，行進之難，而面唇發黑。<ref>[https://web.archive.org/web/20200320231801/https://www.cdc.gov/coronavirus/2019-ncov/symptoms-testing/symptoms.html Coronavirus Disease 2019 (COVID-19)—Symptoms. ]，病灶二。</ref>是毒常有四五日之伏，灶盡發之於十四日之內。無灶者亦可致瘟。